APA (7th ed.) Citation

Norris, S. E., & Spieker, A. M. (1961). Geology and hydrology of the Piqua area, Ohio. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Norris, Stanley Eugene, and Andrew Maute Spieker. Geology and Hydrology of the Piqua Area, Ohio. Washington, D.C.: United States Department of the Interior, Geological Survey, 1961.

MLA (9th ed.) Citation

Norris, Stanley Eugene, and Andrew Maute Spieker. Geology and Hydrology of the Piqua Area, Ohio. United States Department of the Interior, Geological Survey, 1961.